Why are we not already able to “instant-charge” EVs, smartphones or other batteries?
In: Physics
The battery capacity is like the weight held by a rope and a pulley.
You charge it by pulling the rope from the pulley, the higher the weight is the higher the battery capacity is.
You can pull the rope really fast and the weight on the other end of the pulley will go up pretty fast, but you may get hurt and damage the pulley and the rope and maybe your own hands, and still you will possibly never get the weight up there “instantly”, you can use technology to do it faster but not instantly
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